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A 7000-seat theater is interested in determining whether there is a difference in attendance between shows on Tuesday evening and those on Wednesday evening. Two independent samples of 25 weeks are collected for Tuesday and Wednesday. The mean attendance on Tuesday evening is calculated as 5500, while the mean attendance on Wednesday evening is calculated as 5850. The known population standard deviation for attendance on Tuesday evening is 550 and the known population standard deviation for attendance on Wednesday evening is 445.
What is the appropriate decision given a 5% level of significance?
Scores are normally distributed with an average of 1500 and a standard deviation of 150 The minimum exam score necessary for applicants to be further considered for admission is?
question 1using the telephone numbers listed in your local directory as your population randomly obtain 20 samples of
Identify and explain at least two regression/correlation constructs in the case scenario. Then describe the steps you would take to analyze this scenario. Please explain each step by indicating your rationale.
You will be graded on accuracy, completeness (addressing each point above), and effectiveness (utility, ease of reading).
The monthly cost of a long distance phone plan in dollars is a linear function of the total calling time in minutes. When graphed, the function gives a line with a slope of 0.11.
A random sample of 900 workers in a particular city found 342 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage.
What is a factor? How can the use of factors benefit a design, explain main effects and interaction effects and how does a covariate reduce noise?
the median of a continuous random variable having distribution function fx is that value m such that fm 0.5. that is a
assume that a procedure yields a binomial distrubition with n trials and the probability of success for one trial is p.
question an independent golf equipment testing facility compared the difference in the performance of golf balls hit
each year an insurance company reviews its claim experience in order to set future rates. regarding their damage-only
Determine the range, variance, and standard deviation for sample data and find the minimum number of visits required receive a gift.
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